NetScaler's future points toward containers and the cloud.
The battle between the Mesos and Kubernetes tools for managing applications on modern clusters continues to heat up, with the former reaching its milestone 1.0 with a “universal containerizer” feature that supports native Docker container formats and a shiny new API stack that is a lot more friendly and flexible than the manner in which APIs are implemented in systems management software these days.
Ultimately, something has to be in control of the clusters and divvy up scarce resources to hungry applications, and there has been an epic battle shaping up between Mesos, Kubernetes, and OpenStack.
Mesos is the …
Mesos Reaches Milestone, Adds Native Docker was written by Timothy Prickett Morgan at The Next Platform.
Went on an customer “ride-along” with Advanced Services this week. Customer’s requirement was that the DMVPN headend have 2 physical interfaces for High Availability. These 2 interfaces need to be the same subnet because they are going into 2 firewalls: one active/one standby. So now what?
Tom Kunath (Advanced Services) thought “Well…. what about using backup interface command?” Hmmmm that does seem to be the perfect tool in the Cisco CLI toolbox for this very situation.
Time to play in the lab!!! 
So now let’s try it and see how per-tunnel QoS will work with it.
Class-Maps and Policy-Maps
NOTE: Snuck these configs from the QoS Chapter of the upcoming CiscoPress IWAN book a super dear friend of mine (David Prall) is co-authoring.
Apply to Tunnels
Okay…. so far so good. Now let’s run some traffic. I’ll send EF and AF41.
Send Traffic
Kay… so far so good. I also have both being sent at the same bps from the traffic generator so I wanted to check this also.
Time to Fail Primary Link!
Before I congest and see if the applied PerTunnel QoS can also drop. Let’s make sure Continue reading
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